public IActionResult Register(URLRegisterViewModel urlToRegister)
{
if (!ModelState.IsValid)
{
return(View());
}
var exists = UrlService.GetURLByShortURL(urlToRegister.ShortUrl) is not null;
if (exists)
{
ModelState.AddModelError("ShortUrl", "Short URL is already taken");
return(View());
}
var domainModel = ModelHelper.GetURLDomainModel(urlToRegister);
UrlService.AddURL(domainModel);
var registerSuccessModel = ModelHelper
.GetURLRegistrationSuccessfulViewModel(urlToRegister, HttpContext);
return(View("RegisterSuccess", registerSuccessModel));
}